旋涡虫属一新种(单肠目,隐头吻亚目,多囊科)  

A NEW SPECIES OF THE GENUS GYRATRIX FROM A FRESHWATER POND IN GUANGDONG PROVINCE, CHINA (RHABDOCOELA, POLYCYSTIDIDAE)

作　　者：汪安泰[1] 李慧[1] 

机构地区：[1]深圳大学生命科学学院,深圳518060

出　　处：《动物分类学报》2005年第4期721-724,共4页Acta Zootaxonomica Sinica

摘　　要：报道采自中国广东湛江的淡水旋涡虫属1新种:中国旋涡虫Gyratrix sinensis sp.nov.对新种涡虫的形态特征作了详细描述,并与旋涡虫属近似种进行了比较。Gyratrix sinensis sp. nov. , a new species of the genus Gyratrix, has been described in this article. To distinguish the new species from others, the characters of the live worm is needed. Most traits are included in the below. Such as the more slender front; the claviform rear eyes; the 1 000- 1 200 μm body length; the oval proboscis; ventro-open of the channels at the front of the proboscis; the spermary, which is looked like an “S”, being longer than the two thirds length of the body; the vesicula seminalis being at the half of body part back of the pharynx. Besides, the vitelline gland, just like an “H”, lays at the left side of the body; the ovum likes an egg; the penis sting, withthe length of 135-155μm is parallel to its sheath with the length of 37-40μm; morever, its open site is 30 ttm far from the base; its distant end of the stalk of sheath with the length of 90-100μm looks like the beak of a hawk.

关 键 词：涡虫纲 单肠目 多囊科 旋涡虫属 新种 

分 类 号：Q959.151.2[生物学—动物学]